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import UIKit
struct RootCanvas: View {
@Environment(NodeAppModel.self) private var appModel
@Environment(VoiceWakeManager.self) private var voiceWake
@Environment(\.colorScheme) private var systemColorScheme
@Environment(\.scenePhase) private var scenePhase
@AppStorage(VoiceWakePreferences.enabledKey) private var voiceWakeEnabled: Bool = false
@AppStorage("screen.preventSleep") private var preventSleep: Bool = true
@AppStorage("canvas.debugStatusEnabled") private var canvasDebugStatusEnabled: Bool = false
@State private var presentedSheet: PresentedSheet?
@State private var voiceWakeToastText: String?
@State private var toastDismissTask: Task<Void, Never>?
private enum PresentedSheet: Identifiable {
case settings
case chat
var id: Int {
switch self {
case .settings: 0
case .chat: 1
}
}
}
var body: some View {
ZStack {
CanvasContent(
systemColorScheme: self.systemColorScheme,
gatewayStatus: self.gatewayStatus,
voiceWakeEnabled: self.voiceWakeEnabled,
voiceWakeToastText: self.voiceWakeToastText,
cameraHUDText: self.appModel.cameraHUDText,
cameraHUDKind: self.appModel.cameraHUDKind,
openChat: {
self.presentedSheet = .chat
},
openSettings: {
self.presentedSheet = .settings
})
.preferredColorScheme(.dark)
if self.appModel.cameraFlashNonce != 0 {
CameraFlashOverlay(nonce: self.appModel.cameraFlashNonce)
}
}
.sheet(item: self.$presentedSheet) { sheet in
switch sheet {
case .settings:
SettingsTab()
case .chat:
ChatSheet(
gateway: self.appModel.gatewaySession,
sessionKey: self.appModel.mainSessionKey,
userAccent: self.appModel.seamColor)
}
}
.onAppear { self.updateIdleTimer() }
.onChange(of: self.preventSleep) { _, _ in self.updateIdleTimer() }
.onChange(of: self.scenePhase) { _, _ in self.updateIdleTimer() }
.onAppear { self.updateCanvasDebugStatus() }
.onChange(of: self.canvasDebugStatusEnabled) { _, _ in self.updateCanvasDebugStatus() }
.onChange(of: self.appModel.gatewayStatusText) { _, _ in self.updateCanvasDebugStatus() }
.onChange(of: self.appModel.gatewayServerName) { _, _ in self.updateCanvasDebugStatus() }
.onChange(of: self.appModel.gatewayRemoteAddress) { _, _ in self.updateCanvasDebugStatus() }
.onChange(of: self.voiceWake.lastTriggeredCommand) { _, newValue in
guard let newValue else { return }
let trimmed = newValue.trimmingCharacters(in: .whitespacesAndNewlines)
guard !trimmed.isEmpty else { return }
self.toastDismissTask?.cancel()
withAnimation(.spring(response: 0.25, dampingFraction: 0.85)) {
self.voiceWakeToastText = trimmed
}
self.toastDismissTask = Task {
try? await Task.sleep(nanoseconds: 2_300_000_000)
await MainActor.run {
withAnimation(.easeOut(duration: 0.25)) {
self.voiceWakeToastText = nil
}
}
}
}
.onDisappear {
UIApplication.shared.isIdleTimerDisabled = false
self.toastDismissTask?.cancel()
self.toastDismissTask = nil
}
}
private var gatewayStatus: StatusPill.GatewayState {
if self.appModel.gatewayServerName != nil { return .connected }
let text = self.appModel.gatewayStatusText.trimmingCharacters(in: .whitespacesAndNewlines)
if text.localizedCaseInsensitiveContains("connecting") ||
text.localizedCaseInsensitiveContains("reconnecting")
{
return .connecting
}
if text.localizedCaseInsensitiveContains("error") {
return .error
}
return .disconnected
}
private func updateIdleTimer() {
UIApplication.shared.isIdleTimerDisabled = (self.scenePhase == .active && self.preventSleep)
}
private func updateCanvasDebugStatus() {
self.appModel.screen.setDebugStatusEnabled(self.canvasDebugStatusEnabled)
guard self.canvasDebugStatusEnabled else { return }
let title = self.appModel.gatewayStatusText.trimmingCharacters(in: .whitespacesAndNewlines)
let subtitle = self.appModel.gatewayServerName ?? self.appModel.gatewayRemoteAddress
self.appModel.screen.updateDebugStatus(title: title, subtitle: subtitle)
}
}
private struct CanvasContent: View {
@Environment(NodeAppModel.self) private var appModel
@AppStorage("talk.enabled") private var talkEnabled: Bool = false
@AppStorage("talk.button.enabled") private var talkButtonEnabled: Bool = true
var systemColorScheme: ColorScheme
var gatewayStatus: StatusPill.GatewayState
var voiceWakeEnabled: Bool
var voiceWakeToastText: String?
var cameraHUDText: String?
var cameraHUDKind: NodeAppModel.CameraHUDKind?
var openChat: () -> Void
var openSettings: () -> Void
private var brightenButtons: Bool { self.systemColorScheme == .light }
var body: some View {
ZStack(alignment: .topTrailing) {
ScreenTab()
VStack(spacing: 10) {
OverlayButton(systemImage: "text.bubble.fill", brighten: self.brightenButtons) {
self.openChat()
}
.accessibilityLabel("Chat")
if self.talkButtonEnabled {
// Talk mode lives on a side bubble so it doesn't get buried in settings.
OverlayButton(
systemImage: self.appModel.talkMode.isEnabled ? "waveform.circle.fill" : "waveform.circle",
brighten: self.brightenButtons,
tint: self.appModel.seamColor,
isActive: self.appModel.talkMode.isEnabled)
{
let next = !self.appModel.talkMode.isEnabled
self.talkEnabled = next
self.appModel.setTalkEnabled(next)
}
.accessibilityLabel("Talk Mode")
}
OverlayButton(systemImage: "gearshape.fill", brighten: self.brightenButtons) {
self.openSettings()
}
.accessibilityLabel("Settings")
}
.padding(.top, 10)
.padding(.trailing, 10)
}
.overlay(alignment: .center) {
if self.appModel.talkMode.isEnabled {
TalkOrbOverlay()
.transition(.opacity)
}
}
.overlay(alignment: .topLeading) {
StatusPill(
gateway: self.gatewayStatus,
voiceWakeEnabled: self.voiceWakeEnabled,
activity: self.statusActivity,
brighten: self.brightenButtons,
onTap: {
self.openSettings()
})
.padding(.leading, 10)
.safeAreaPadding(.top, 10)
}
.overlay(alignment: .topLeading) {
if let voiceWakeToastText, !voiceWakeToastText.isEmpty {
VoiceWakeToast(
command: voiceWakeToastText,
brighten: self.brightenButtons)
.padding(.leading, 10)
.safeAreaPadding(.top, 58)
.transition(.move(edge: .top).combined(with: .opacity))
}
}
}
private var statusActivity: StatusPill.Activity? {
// Status pill owns transient activity state so it doesn't overlap the connection indicator.
if self.appModel.isBackgrounded {
return StatusPill.Activity(
title: "Foreground required",
systemImage: "exclamationmark.triangle.fill",
tint: .orange)
}
let gatewayStatus = self.appModel.gatewayStatusText.trimmingCharacters(in: .whitespacesAndNewlines)
let gatewayLower = gatewayStatus.lowercased()
if gatewayLower.contains("repair") {
return StatusPill.Activity(title: "Repairing…", systemImage: "wrench.and.screwdriver", tint: .orange)
}
if gatewayLower.contains("approval") || gatewayLower.contains("pairing") {
return StatusPill.Activity(title: "Approval pending", systemImage: "person.crop.circle.badge.clock")
}
// Avoid duplicating the primary gateway status ("Connecting…") in the activity slot.
if self.appModel.screenRecordActive {
return StatusPill.Activity(title: "Recording screen…", systemImage: "record.circle.fill", tint: .red)
}
if let cameraHUDText, !cameraHUDText.isEmpty, let cameraHUDKind {
let systemImage: String
let tint: Color?
switch cameraHUDKind {
case .photo:
systemImage = "camera.fill"
tint = nil
case .recording:
systemImage = "video.fill"
tint = .red
case .success:
systemImage = "checkmark.circle.fill"
tint = .green
case .error:
systemImage = "exclamationmark.triangle.fill"
tint = .red
}
return StatusPill.Activity(title: cameraHUDText, systemImage: systemImage, tint: tint)
}
if self.voiceWakeEnabled {
let voiceStatus = self.appModel.voiceWake.statusText
if voiceStatus.localizedCaseInsensitiveContains("microphone permission") {
return StatusPill.Activity(title: "Mic permission", systemImage: "mic.slash", tint: .orange)
}
if voiceStatus == "Paused" {
let suffix = self.appModel.isBackgrounded ? " (background)" : ""
return StatusPill.Activity(title: "Voice Wake paused\(suffix)", systemImage: "pause.circle.fill")
}
}
return nil
}
}
private struct OverlayButton: View {
let systemImage: String
let brighten: Bool
var tint: Color?
var isActive: Bool = false
let action: () -> Void
var body: some View {
Button(action: self.action) {
Image(systemName: self.systemImage)
.font(.system(size: 16, weight: .semibold))
.foregroundStyle(self.isActive ? (self.tint ?? .primary) : .primary)
.padding(10)
.background {
RoundedRectangle(cornerRadius: 12, style: .continuous)
.fill(.ultraThinMaterial)
.overlay {
RoundedRectangle(cornerRadius: 12, style: .continuous)
.fill(
LinearGradient(
colors: [
.white.opacity(self.brighten ? 0.26 : 0.18),
.white.opacity(self.brighten ? 0.08 : 0.04),
.clear,
],
startPoint: .topLeading,
endPoint: .bottomTrailing))
.blendMode(.overlay)
}
.overlay {
if let tint {
RoundedRectangle(cornerRadius: 12, style: .continuous)
.fill(
LinearGradient(
colors: [
tint.opacity(self.isActive ? 0.22 : 0.14),
tint.opacity(self.isActive ? 0.10 : 0.06),
.clear,
],
startPoint: .topLeading,
endPoint: .bottomTrailing))
.blendMode(.overlay)
}
}
.overlay {
RoundedRectangle(cornerRadius: 12, style: .continuous)
.strokeBorder(
(self.tint ?? .white).opacity(self.isActive ? 0.34 : (self.brighten ? 0.24 : 0.18)),
lineWidth: self.isActive ? 0.7 : 0.5)
}
.shadow(color: .black.opacity(0.35), radius: 12, y: 6)
}
}
.buttonStyle(.plain)
}
}
private struct CameraFlashOverlay: View {
var nonce: Int
@State private var opacity: CGFloat = 0
@State private var task: Task<Void, Never>?
var body: some View {
Color.white
.opacity(self.opacity)
.ignoresSafeArea()
.allowsHitTesting(false)
.onChange(of: self.nonce) { _, _ in
self.task?.cancel()
self.task = Task { @MainActor in
withAnimation(.easeOut(duration: 0.08)) {
self.opacity = 0.85
}
try? await Task.sleep(nanoseconds: 110_000_000)
withAnimation(.easeOut(duration: 0.32)) {
self.opacity = 0
}
}
}
}
}
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